--- What do you think of the young boy?

--- He is good ___________ me. He is good ________ English, and he often tells me listening to English songs is good __________ learning it well.

A．for; at; to

B．to; in; of

C．at; for; to

D．to; at; for

回送机车应挂于（）。

A.列车尾部

B.列车中部

C.列车前部

D.本务机次位